To prove that sound needs a medium to travel suggest an activity (preferably that can be performed at home )
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Answer:
rather than at home you can use the most simple example that is space
Explanation:
in space there is no volume and sound needs volume to travel there sound cannot be hear on moon or outer space
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Answer:u may find that if u put your ear on a railway line u may hear u can hear the voice of approaching train from very far.and if u remove then u will not listen so sound need a medium to travel
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